The heat-transfer rate to the surroundings from a person at rest is about 100 W. Suppose the ventilation system fails in an auditorium containing 2000 people. Assume there is no heat transfer hrough the auditorium walls. A. Determine the increase in internal energy of the air in the auditorium during the first 20 min after the ventilation system fails. Express your result in MJ. B. Considering the auditorium and all of the people as a system, determine the increase in intenal
The heat-transfer rate to the surroundings from a person at rest is about 100 W. Suppose the ventilation system fails in an auditorium containing 2000 people. Assume there is no heat transfer hrough the auditorium walls. A. Determine the increase in internal energy of the air in the auditorium during the first 20 min after the ventilation system fails. Express your result in MJ. B. Considering the auditorium and all of the people as a system, determine the increase in intenal
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter40: Typical Operating Conditions
Section: Chapter Questions
Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.
Related questions
Question
Expert Solution
Step 1: Introduction
Internal energy is the amount of energy possessed by the molecule of the body . here the air is being considered whose energy is being increased . the heat coming out of the every person will leads to the increase in the temperature of the air because the heat is not allowed to pass trough the walls and ventilation system is not working
Here the temperature of the air will increase due the the fact that the all of heat is going to the environment only
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi…
Mechanical Engineering
ISBN:
9781305578296
Author:
John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:
Cengage Learning
Refrigeration and Air Conditioning Technology (Mi…
Mechanical Engineering
ISBN:
9781305578296
Author:
John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:
Cengage Learning